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Pliohippus nobilis
Taxonomy
Pliohippus nobilis was named by Osborn (1918). Its type specimen is AMNH 2668, a partial skull (An upper jaw containing P3-M3 of the left side, also P2 and M2-3 of the right side), and it is a 3D body fossil. Its type locality is Long Island Quarry, which is in a Hemphillian terrestrial horizon in the Ogallala Formation of Kansas.
It was recombined as Pliohippus (Pliohippus) nobilis by Stirton (1940); it was considered a nomen dubium by Macdonald (1992).
It was recombined as Pliohippus (Pliohippus) nobilis by Stirton (1940); it was considered a nomen dubium by Macdonald (1992).
Synonymy list
Year | Name and author |
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1918 | Pliohippus nobilis Osborn p. 160 figs. Plates 26.4, 28.4. Text Fig. 128 |
1940 | Pliohippus (Pliohippus) nobilis Stirton p. 192 |
1989 | Pliohippus nobilis Hulbert, Jr. |
1998 | Pliohippus nobilis Kelly p. 11 |
1998 | Pliohippus nobilis MacFadden p. 550 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Pliohippus nobilis Osborn 1918
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Diagnosis
Reference | Diagnosis | |
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H. F. Osborn 1918 | (Matthew, 1913, Osborn, 1918) (1) Size.very large, pLm3 .180, pLm3 .190e; (2) protocone prominent, exceeding hypocone in size, united to protoloph by a narrow isthmus, united to hypocone when molars are over hall worn; (3) protocone obliquely oval on premolars, flattened oval and relatively large on molars; (4) lingual side convex, buccal side flat (m3) ; (5) fossettes expanded; (6) indication in worn crowns of pli caballin and crochet fold in prefossette, two more enamel plications from metaloph into pre- and postfossettes (m3) ; (6) malar fossa very deep; (7) lachrymal fossa extensive, its upper border unknown. |